// 搜索结果分页解析 + 搜索页默认态渲染测试
import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:shared_preferences/shared_preferences.dart';

import 'package:video_app/core/storage/search_history_store.dart';
import 'package:video_app/screens/search/search_screen.dart';
import 'package:video_app/services/search_service.dart';

void main() {
  TestWidgetsFlutterBinding.ensureInitialized();

  group('SearchPage.fromJson', () {
    test('total 与视频列表解析', () {
      final page = SearchPage.fromJson(const {
        'total': 236,
        'list': [
          {
            'video_id': 88001,
            'title': '海边日落',
            'cover_url': 'https://cdn/cover.jpg',
            'video_url': 'https://cdn/index.m3u8',
            'author': {'user_id': 100023, 'nickname': '小明', 'avatar_url': ''},
            'view_count': 12034,
            'like_count': 456,
            'comment_count': 78,
            'favorite_count': 90,
            'tags': ['日落'],
          },
        ],
      });
      expect(page.total, 236);
      expect(page.items, hasLength(1));
      expect(page.items.first.videoId, 88001);
      expect(page.items.first.author.nickname, '小明');
    });

    test('空结果兜底', () {
      final page = SearchPage.fromJson(const {'total': 0, 'list': []});
      expect(page.total, 0);
      expect(page.items, isEmpty);
    });
  });

  group('SearchScreen 默认态', () {
    testWidgets('展示搜索历史与热搜榜区域', (tester) async {
      SharedPreferences.setMockInitialValues(const {
        'search_history': ['日落', '美食'],
      });
      final prefs = await SharedPreferences.getInstance();
      SearchHistoryStore.initForTest(prefs);

      await tester.pumpWidget(
        const ProviderScope(child: MaterialApp(home: SearchScreen())),
      );
      await tester.pump();

      expect(find.text('搜索历史'), findsOneWidget);
      expect(find.text('日落'), findsOneWidget);
      expect(find.text('美食'), findsOneWidget);
      expect(find.text('热搜榜'), findsOneWidget);
      // 热搜接口测试环境不可用，静默失败显示空态
      expect(find.text('暂无热搜'), findsOneWidget);
    });

    testWidgets('无历史时不显示历史区域', (tester) async {
      SharedPreferences.setMockInitialValues(const {});
      final prefs = await SharedPreferences.getInstance();
      SearchHistoryStore.initForTest(prefs);

      await tester.pumpWidget(
        const ProviderScope(child: MaterialApp(home: SearchScreen())),
      );
      await tester.pump();

      expect(find.text('搜索历史'), findsNothing);
      expect(find.text('热搜榜'), findsOneWidget);
    });
  });
}